<?php
$k = $_REQUEST['kkk'];
$con = mysqli_connect('localhost', 'root', '', 'friday');
 mysqli_set_charset($con, 'utf8');
 if($k==8){
 $sql = "select * from fruit limit 8";
 $result = mysqli_query($con, $sql);
 $arr = mysqli_fetch_all($result,MYSQLI_ASSOC);
 $str = json_encode($arr);
 echo  $str;
 }else{
 $sql = "select * from fruit limit 4";
 $result = mysqli_query($con, $sql);
 $arr = mysqli_fetch_all($result,MYSQLI_ASSOC);
 $str = json_encode($arr);
 echo  $str;
 }
?>